28619620

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{2381}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 60226488

約数和(自身を除く): 31606868

約数列:

[1, 2, 4, 5, 10, 20, 601, 1202, 2381, 2404, 3005, 4762, 6010, 9524, 11905, 12020, 23810, 47620, 1430981, 2861962, 5723924, 7154905, 14309810, 28619620]

約数ペア:

[(1, 28619620), (2, 14309810), (4, 7154905), (5, 5723924), (10, 2861962), (20, 1430981), (601, 47620), (1202, 23810), (2381, 12020), (2404, 11905), (3005, 9524), (4762, 6010)]